NASA Astronaut Tom Marshburn

ISS034-E-036840 (29 Jan. 2013) --- In the International Space Station's Harmony node, NASA astronaut Tom Marshburn, Expedition 34 flight engineer, works with the Capillary Flow Experiment-3, which investigates how fluids flow across surfaces in a weightless environment. Results from this experiment will improve computer models used to design fluid transfer systems and fuel tanks on future spacecraft.